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A customer needs to implement a Highly Available solution for JMS that has a primary data center  and a backup. Which three steps would you perform when designing your solution?（）
A:Store Transaction Logs in a database and use Database stores for JMS to make replication  between sites easier.
B:Use file based Transaction Logs and JMS stores and implement a separate replication solution  for files in addition to database in case database replication fails.
C:Implement Oracle RAC at each site to provide a highly available solution within each datacenter.
D:Configure Whole Server Migration to migrate WebLogic Managed Servers from the primary to the secondary site.
E:Configure Automatic Service Migration for JMS high availability within a datacenter.

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出自：Oracle认证

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